This is a comparison of 1ct ideal cut, H color, VS2 clarity Round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $6610

White Flash: $8333

Abazias: $7544

Blue Nile: $6919

Brilliant Earth: $7300

These diamonds are independently inspected and graded by GIA/AGS, which means you can trust their quality. For everything you need to know about buying engagement rings online, please visit http://howiboughtthering.com.